Rectal Leiomyoma

**Semantic type:** Neoplastic Process

**Definition:** A well-circumscribed benign smooth muscle neoplasm arising from the rectum. It is characterized by the presence of spindle cells with cigar-shaped nuclei, interlacing fascicles, and a whorled pattern.

**Synonyms:** - Leiomyoma of Rectum - Leiomyoma of the Rectum